Tri-County Gun Club (TCGC) PO Box 99 Sherwood, OR 97140 (503) 625-7318 Club contact: Joe J. Dunn West off Interstate 5, exit 289. Go west 3.5 miles on Tualatin-Sherwood Road and make a left on to Oregon Street, approx. 5 miles, make a left on to Tonquin Rd.; approx. 1 mile on left is entrance to gun club.